Last updated: June 24, 2025
In December, the average temperature in Cannon Ball, United States hovers around -6°C (22°F), with extremes ranging from a bone-chilling -30°C (-21°F) to a milder 16°C (61°F). Expect about 24 mm (0.9 in) of precipitation spread over 4 days, contributing to a relatively high average humidity of 84%.
In December in Cannon Ball, the average temperature is -6°C (22°F), with maximums reaching up to 16°C (61°F) and minimums plummeting to -30°C (-21°F). Be prepared for a wide range of temperatures when traveling during this time.
In Cannon Ball in December, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.
In Cannon Ball in December humidity is 84%. With an average temperature of -6°C (22°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel feel much more uncomfortable and harsh than the temperature alone suggests.
In Cannon Ball in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cannon Ball, you can visit Hourly UV Index in Cannon Ball.
UV Risk Categories
Weather in Cannon Ball varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cannon Ball, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 13 mm (0.5 inches) | 84% | moderate |
| February Weather | -11°C (13°F) | 16 mm (0.6 inches) | 88% | moderate |
| March Weather | -1°C (30°F) | 26 mm (1.0 inches) | 78% | moderate |
| April Weather | 4°C (40°F) | 28 mm (1.1 inches) | 75% | very high |
| May Weather | 13°C (56°F) | 49 mm (1.9 inches) | 76% | very high |
| June Weather | 21°C (70°F) | 64 mm (2.5 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 59 mm (2.3 inches) | 78% | very high |
| August Weather | 21°C (70°F) | 71 mm (2.8 inches) | 78% | very high |
| September Weather | 16°C (61°F) | 59 mm (2.3 inches) | 69% | high |
| October Weather | 7°C (44°F) | 59 mm (2.3 inches) | 71% | moderate |
| November Weather | 0°C (31°F) | 14 mm (0.6 inches) | 82% | moderate |
| December Weather | -6°C (22°F) | 24 mm (0.9 inches) | 84% | low |